Home / 21,624.51-29,841.03-12,063.90

Finding the Fourth Proportional to 21,624.51, 29,841.03 and 12,063.90

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Solution

The fourth proportional to 21,624.51, 29,841.03 and 12,063.90 is: 16,647.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,624.51 : 29,841.03 = 12,063.90 : x
  2. Step 2: Convert to fraction form
    21,624.51/29,841.03 = 12,063.90/x
  3. Step 3: Cross multiply
    21,624.51x = 29,841.03 × 12,063.90
  4. Step 4: Simplify right side
    21,624.51x = 359,999,201.82
  5. Step 5: Solve for x
    x = 359,999,201.82/21,624.51
  6. Step 6: Final answer
    x = 16,647.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.